Reaction of echinochrome trimethyl ether with aqueous ammonia

Autor: Galina I. Melman, Vladimir A. Denisenko, V. Ph. Anufriev
Rok vydání: 2010
Předmět:
Zdroj: Russian Chemical Bulletin. 59:1781-1785
ISSN: 1573-9171
1066-5285
Popis: Reaction of 7-ethyl-2,3,6-trimethoxynaphthazarin with NH3·H2O proceeds at the carbonyl groups at the C(4) atoms of the 1,4-naphthoquinonoid tautomeric forms. Methoxy group adjacent to ethyl group is the orienting substituent in this reaction.
Databáze: OpenAIRE